Home / 215,989.45-323,721.51-152,827.77

Finding the Fourth Proportional to 215,989.45, 323,721.51 and 152,827.77

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Solution

The fourth proportional to 215,989.45, 323,721.51 and 152,827.77 is: 229,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,989.45 : 323,721.51 = 152,827.77 : x
  2. Step 2: Convert to fraction form
    215,989.45/323,721.51 = 152,827.77/x
  3. Step 3: Cross multiply
    215,989.45x = 323,721.51 × 152,827.77
  4. Step 4: Simplify right side
    215,989.45x = 49,473,636,474.33
  5. Step 5: Solve for x
    x = 49,473,636,474.33/215,989.45
  6. Step 6: Final answer
    x = 229,055.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.